5=(9x-12)/(-4x-7)

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Solution for 5=(9x-12)/(-4x-7) equation: 


D( x )

-4*x-7 = 0

-4*x-7 = 0

-4*x-7 = 0

-4*x-7 = 0 // + 7

-4*x = 7 // : -4

x = 7/(-4)

x = -7/4

x in (-oo:-7/4) U (-7/4:+oo)

5 = (9*x-12)/(-4*x-7) // - (9*x-12)/(-4*x-7)

5-((9*x-12)/(-4*x-7)) = 0

(-1*(9*x-12))/(-4*x-7)+5 = 0

(-1*(9*x-12))/(-4*x-7)+(5*(-4*x-7))/(-4*x-7) = 0

5*(-4*x-7)-1*(9*x-12) = 0

-29*x-23 = 0

(-29*x-23)/(-4*x-7) = 0

(-29*x-23)/(-4*x-7) = 0 // * -4*x-7

-29*x-23 = 0

-29*x-23 = 0 // + 23

-29*x = 23 // : -29

x = 23/(-29)

x = -23/29

x = -23/29

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